in src/main/java/org/apache/geronimo/jcache/simple/ConfigurableMBeanServerIdBuilder.java [63:73]
public boolean equals(final Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
final Key key = Key.class.cast(o);
return !(domain != null ? !domain.equals(key.domain) : key.domain != null)
&& !(outer != null ? !outer.equals(key.outer) : key.outer != null);
}